Visibility IV / V
The models showed the encounter of Cape, shear, temperature transmission and humidity in Ostrobothnia. So the car cam towards the expanses. The time of waiting was long, because despite the sweating air and the tearing of the cloud cover, nothing miraculous was to come. Until finally in the evening around Pietarsaari and Kokkola exploded rapidly. Although the clouds were largely muddy, there was room for a rotating cloudberry and a microburst inside the cloud. The thunder lasted for many hours, so this was quite a rarity then in the 2017 Rapid Heavy. The ground lightnings were not really visible, but most of them roared only in the cloud. Evening further south was one of the most active cloud lightning shows of recent years, of which in its own observation.